You need to make a protein buffer of:.•• 100 mM NaCl25 mM Tris 85% w/v glycerol• 2 mM DTTYour stock solutions are:5 M NaCl• 2 M Tris 8• 70% w/v glycerol•DTT @ 154.25 g/molHow would you make a 1L protein buffer Solution? Show your work and describe.

In order to calculate how much of each component we should use to get the required buffer, we need…

Answered: You need to make a protein buffer of:…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Similar questions

10 tab of acetaminophen 500 mg molar absorptivity= 14520 @ 243nm. The total weight of the 10tab is 5278 mg. I take a sample equivalent to 100mg of tablet and I diluted it in 100mL, I took an aliquot of 10mL and I diluted it in 250mL, of these I took 25mL and I diluted them in 250mL. Calculate the weight per tablet. Absorbance = 0.944
The following stock solutions are available to make a protein extraction buffer: 100% Nonidet P-40, 1 M Tris-Cl, and 0.5 M EDTA. What quantity of the original stocks will be needed to make 250 ml of buffer with the following final concentrations: 0.5% Nonidet, 150 mM Tris-Cl, and 10 mM EDTA?
at 257 nm) is dissolved in 2.5 mL of buffer. A 250 microliter aliquot is removed and placed in a 1.0 cm A sample of adenosine triphosphate (ATP) (MW 507, ɛ = 14,700 M'cm cuvette with sufficient buffer to give a total volume of 2.0 mL. The absorbance of the sample at 257 nm is 2.0. Calculate the weight of ATP in the original 2.5 mL sample. (Choose the correct value from the drop-down list provided. The values of weight are listed in units of milligrams.) Weight of ATP: v mg
Size Size Crude Anion Cation 2) Exclusion Exclusion Lysate Exchange Exchange 1 2 Total Protein Concentration 15.2 6.6 2 3.75 4.7 (mg/mL) Final Sample Volume 60 30 20 4 3 (mL) Enzyme Specific Activity 0.43 1.7 7.25 18.3 12.5 (units/mgprotein) Based on your protein purification sample data, in which of the purification steps in your protocol did you effectively purify your enzyme? Select all that apply. a) anion exchange correct b) cation exchange correct c) size exclusion 1 correct d) size exclusion 2
You are asked to prepare HEPES buffered saline with the following constituents: НЕРES 10mM KCI 5mM NaCl 135mM CaCl2 1mM M9SO4 0.6mM Glucose 6mM You have previously made up 100 mM stock solutions of HEPES, KCI, CaCl2, and M9SO4 and a 1M stock of NaCl. The MW of glucose is 180.16 g/mol What volume of HEPES would you require to make up 400ml of buffer?
You are supplied with the following: NaCl (Mr = 58.443 g/mol) 250 mM Tris-Cl, pH 8 solution (1 Litre) EDTA, sodium salt (Mr = 380.2 g/mol) 13 % Sodium dodecyl sulfate solution Proteinase K solution (150 mg dissolved in 1 ml ddH2O) You need a digestion buffer consisting of the following: 23.5 mM NaCl 750 uM Tris-Cl, pH 8 38 mM EDTA, pH 8 1.2 % Sodium dodecyl sulfate 1.75 mg/ml proteinase K Calculate: How will you prepare 750 ml of the digestion buffer? Show all your steps and calculations and remember to explain how exactly you will make it up.
You want to prepare a 15 mL gel containing 0.8% (weight /volume) agarose. How much agarosedo you need to weigh to prepare the solution? Show all your calculations.Hint: Write down the units for 0.8% knowing that agarose is a powder that is mixed with aliquid
You are supplied with the following: / Jy word voorsien van die volgende: NaCl (Mr= 58,443 g /mol) 2.5M Tris-Cl, pH 8 solution /oplossing (1 Litre) EDTA (Mr= 380,2g/mol) 10% sodium dodecyl sulphate solution / natriumdodecyl sulfaat oplossing Proteïnase K solution / oplossing (50 mg dissolved / opgelos in 1 ml ddH2O) You need a digestion buffer consisting of the following: / Jy moet 'n verteringsbuffer op maak wat uit die volgende bestaan: 15m M NaCl 75 mM Tris-Cl,pH 8 16 mM EDTA,pH 8 0.8% sodium sulphate / natrium dodecyl sulfaat 0,75 mg/ml proteïnase K How will you prepare 500 ml of the digestion buffer? Show all your steps and calculations. Remember to explain exactly how you will make it up. / Hoe sal jy 500 ml van die verteringsbuffer voorberei? Wys al jou stappe en berekeninge. Onthou om te verduidelik presies hoe jy dit sal op maak.
Protein Solubility 3.5 5.5 5 5 0.068 0.028 Absorbance 0.098 Conc.(mg/ml) 0.195 0.130 0.044 0.9% 2.786% 9.429% 11.3: % solubility 4.179% The above table indicates the concentration of protein in the diluted supernatant and the supernatant before dilution at different pH. Dilution Factor 30 22.5 15 PH 7.5 1.5 4.5 5 0.027 3 0.042 Protein Solubility Versus pH 6.5 6 4.5 pH Value The above figure shows a plot of protein solubility versus pH. 50 7.5 7.5 50 0.032 0.053 8.5 50 0.054 0.100 21.429% 9 Please provide a brief discussion and explanation of the results. (using isoelectric point and net charge to explain)
Given the following information, calculate the total activity in the undiluted protein sample. Activity of 1 ml of diluted sample = 0.5 Total volume of sample = 5 ml Dilution factor = 10 25 50.5 250 2.5
The calibration curve shown below was used to analyze an unknown protein solution. What is the concentration of the unknown solution, if the absorbance of the unknown is 0.505? Answer in ug/mL. 1.2 y%3D0.005x+0.061 R=0.992 0.8 0.6 0.4 0.2 50 100 150 200 250 Concentration ug/ml Absorbance
Paclitaxel is used to treat ovarian cancer by infusion at a concentration of 0.6 mg/mL over 24 hours. A dose of 135 mg/m² has been prescribed for Sero. Sero is 1.06 m tall and weighs 92 kg. Paclitaxel comes in vials of 150 mg/25 mL. Calculate the volume of 5%w/v glucose solution that would be required to dilute the concentrated solution to prepare an paclitaxel solution of the required strength. Answer: You did not give the correct unit. The correct answer is: 333 mL X

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You need to make a protein buffer of: 100 mM NaCl ⚫ 25 mM Tris 8 • • 5% w/v glycerol 2 mM DTT Your stock solutions are: • 5 M NaCl • 2 M Tris 8 •70% w/v glycerol • DTT @ 154.25 g/mol How would you make a 1L protein buffer Solution? Show your work and describe.